This is all good if you’re just given sprint tasks and expected to crank out code for them without much supervision. What happens when any 2 of the 5 jobs decide to schedule a recurring meeting at the same time?
I currently run 3 full time contracts concurrently, and yes meetings clash, but it's easy to get meetings rescheduled if you just ask. Sometimes I have two calls on at the same time if I know its a call where I'm mainly going to be listening. Can always claim "bad internet" and drop out of one to answer question in another.